Fecha/hora: 04/06/2024 03:52:24

Biblioteca(s): | INIA La Estanzuela; INIA Tacuarembó.
Tipo de la producción científica: | Artículos en Revistas Indexadas Internacionales
Circulación/Nivel: | Internacional - --
Fecha corriente: | 26/10/2020
Fecha de la última actualización: | 28/09/2020
Autoria: | CLARIGET, J.M.; LA MANNA, A.; LUZARDO, S.; PEREZ, E.; FERNANDEZ, E.; ROIG, G.; AZNÁREZ, V.; BANCHERO, G.
Afiliación: | JUAN MANUEL CLARIGET BRIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO LA MANNA ALONSO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SANTIAGO FELIPE LUZARDO VILLAR, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; EDUARDO FABIAN PEREZ ARRUTTI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE GENARO FERNANDEZ RODRIGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GONZALO ROIG, MARFRIG Group, Río Negro,Uruguay; VALENTÍN AZNÁREZ, MARFRIG Group, Río Negro, Uruguay; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título: | Eucalyptus bark: A new source of fiber from the wood pulp industry for feeding to beef feedlot cattle.
Año de publicación: | 2020
Fuente/Imprenta: | Applied Animal Science, Volume 36, Issue 5, October 2020, Pages 592-599. DOI: https://doi.org/10.15232/aas.2020-02002
DOI: | 10.15232/aas.2020-02002
Idioma: | Inglés

Notas:

Article history: Received 28 February 2020, Accepted 26 June 2020, Available online 28 September 2020. ACKNOWLEDGMENTS: This research was supported by the Instituto Nacional
de Investigación Agropecuaria (INIA), Uruguay (grant numbers N-19407, 2016) and the MARFRIG Group industry. The authors wish to thank to the agricultural technicians Christian Solari and Gabriel Fernandez for their.
cooperation.

Contenido: | ABSTRACT: Objective: Our objectives were to compare the effects of feeding eucalyptus bark or eucalyptus wood chips, both by-products from the pulp industry, on voluntary feed intake, animal performance, and physiological variables of heifers finished on high-concentrate diets. Materials and Methods: Forty-eight British-breed heifers (Angus, Hereford, and their crosses) that were 22 to 24 mo of age and had an initial BW of 355 ± 8 kg were used. Four heifers were allocated to each of the 12 pens (experimental units). The experiment was a randomized complete block design with 2 treatments and 6 replications each. The 2 different fiber sources (wood chips or bark) were included in the fattening diet in the same proportion (8.9% DM basis). The rest of the ingredients in the diet were the same. The final diet was offered 3 times per day, and heifers were fed for 84 d. Results and Discussion: Fiber source (wood chips vs. bark) did not affect ADG or G:F (P > 0.10). However, DMI (P < 0.01), DP (P = 0.04), and hot carcass weight (P = 0.06) were greater in heifers fed with bark compared with those fed with wood chips. Heifers from the bark treatment spent less time (P = 0.02) chewing than heifers from the wood chips treatment. Implications and Applications: In conclusion, bark could be used as a source of fiber for finishing cattle in high-concentrate diets at the same levels as wood chips. This finding is relevant for the feedlot industry because eucalyptus bark has no industrial uses and would represent a cheaper fiber source than wood chips.
Palabras-Clave: | BEEF; EUCALYPTUS; FATTENING; FEED EFFICIENCY; ROUGHAGE.
Categoría del tema: | K10 Producción forestal
Registro original: | INIA La Estanzuela (LE)

Ejemplares:

LE - (103228-1) - PXI - AP - DD - PP/Applied Animal Science/2020 -  -  - DIS
TBO - (103254-1) - PXI - AP - DD -  -  -  - DIS